Laughlin, H. H., & Trevor, J. B. (1939). Immigration and conquest.: A study of the United States as the receiver of old world emigrants who become the parents of future-born Americans ... [publisher not identified].
Chicago Style (17th ed.) CitationLaughlin, Harry Hamilton, and John Bond Trevor. Immigration and Conquest.: A Study of the United States as the Receiver of Old World Emigrants Who Become the Parents of Future-born Americans ... New York: [publisher not identified], 1939.
MLA (9th ed.) CitationLaughlin, Harry Hamilton, and John Bond Trevor. Immigration and Conquest.: A Study of the United States as the Receiver of Old World Emigrants Who Become the Parents of Future-born Americans ... [publisher not identified], 1939.
Warning: These citations may not always be 100% accurate.